覆水难收 (fù shuǐ nán shōu): spilt water is difficult to retrieve; it's no use crying over spilt milk; what's done is done and can't be reversed
覆水难收
spilt water is difficult to retrieve; it's no use crying over spilt milk; what's done is done and can't be reversed
Spilt water is hard to gather. Japanese has it as 覆水盆に返らず. For what cannot be undone.
The same saying in Japanese: 覆水盆に返らず